Generally speaking, a small number of credit cards are: 1, ordinary credit cards of China Merchants Bank, gold cards, platinum cards and so on. 2. Bank of Communications Credit Card Platinum Card: The high amount is the plane and gold card, and the annual fee is high, which can be exempted. The emergency card can also have one of various preferential activities. 3. Safe car owner card: 28% discount for daily refueling, road rescue service, high insurance coverage, suitable for car owners. The application threshold is very low, the annual fee of Puka is low and the cash amount is high. It doesn't work well for the time being Suitable for owning a car.